Pseudonym FAQs

Question 1

Can Pseudonym detect PII in different languages?

Accepted Answer

Yes, Pseudonym offers multi-language PII detection. It includes built-in support for English (e.g., SSN, credit cards) and Polish (e.g., PESEL, IBAN), and its hybrid NER engine can be extended to detect PII in other languages.

Question 2

Does Pseudonym send my sensitive data to the cloud for detection?

Accepted Answer

No, Pseudonym operates with a zero-trust architecture. All PII detection and substitution occurs entirely locally on your machine. This means sensitive data never reaches a third-party API or cloud service for masking or processing.

Question 3

How does Pseudonym maintain consistency for masked data across interactions?

Accepted Answer

Pseudonym uses a session-keyed mapping store. This ensures that a token like '[PERSON:1]' consistently maps back to the same original value (e.g., 'John Smith') within a given conversation or set of interactions, even across multiple round-trips with the LLM.

Question 4

What is Pseudonym and how does it protect my data?

Accepted Answer

Pseudonym is a local privacy proxy that masks sensitive PII (Personally Identifiable Information) in your data before it ever leaves your machine for cloud LLM processing. It then automatically restores the original values in the LLM's response, ensuring no PII is exposed to third-party AI providers.

Question 5

Which compliance regulations does Pseudonym help me meet?

Accepted Answer

Pseudonym directly supports compliance with major data privacy regulations like GDPR, HIPAA, PCI DSS, CCPA/CPRA, and more. By preventing personal data transfers to cloud LLMs, it helps fulfill obligations related to data minimisation, security of processing, and international data transfer restrictions.

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